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  • Title: Pitfalls of CT diagnosis of aortic dissection: nonvisualized intimal flap in the ascending aorta or aortic arch.
    Author: Yamaguchi T, Kuroki K, Ohyama Y, Ishikawa T.
    Journal: Radiat Med; 1998; 16(2):119-23. PubMed ID: 9650899.
    Abstract:
    We describe our experience with initial CT scans that failed to demonstrate an intimal flap in the ascending aorta or aortic arch that was subsequently identified on echocardiography, angiography, or MR imaging in four patients. This problem was presumably caused by the flailing motion of a thin intimal flap and localized small dissection in the ascending aorta, or transverse intimal flap within the aortic arch. Radiologists should be aware of this pitfall in CT diagnostic imaging.
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